Package fi.metropolia.herbreferenceguide.note

Class NoteAdapter

java.lang.Object

androidx.recyclerview.widget.RecyclerView.Adapter<NoteAdapter.ViewHolder>

fi.metropolia.herbreferenceguide.note.NoteAdapter

public class NoteAdapter
extends androidx.recyclerview.widget.RecyclerView.Adapter<NoteAdapter.ViewHolder>

This class defines RecyclerView adapter that simply creates a view holder and binds the data to the view holder.

Since:

2022-02-21

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	NoteAdapter.ViewHolder	Defines ViewHolder class that gives a reference to the views Code reference:

Constructor Summary

Constructors

Constructor	Description
NoteAdapter(java.util.List<Note> noteData, RecyclerViewInterface recyclerViewInterface)	Adapter constructor to initialise the instance of NoteAdapter

Method Summary

Modifier and Type	Method	Description
int	getItemCount()	Gets size of the dataset
void	onBindViewHolder(NoteAdapter.ViewHolder holder, int position)	Sets the contents of a view
NoteAdapter.ViewHolder	onCreateViewHolder(android.view.ViewGroup parent, int viewType)	Creates new view

Methods inherited from class androidx.recyclerview.widget.RecyclerView.Adapter

bindViewHolder, createViewHolder, getItemId, getItemViewType, hasObservers, hasStableIds, notifyDataSetChanged, notifyItemChanged, notifyItemChanged, notifyItemInserted, notifyItemMoved, notifyItemRangeChanged, notifyItemRangeChanged, notifyItemRangeInserted, notifyItemRangeRemoved, notifyItemRemoved, onAttachedToRecyclerView, onBindViewHolder, onDetachedFromRecyclerView, onFailedToRecycleView, onViewAttachedToWindow, onViewDetachedFromWindow, onViewRecycled, registerAdapterDataObserver, setHasStableIds, unregisterAdapterDataObserver

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NoteAdapter

public NoteAdapter(java.util.List<Note> noteData,
                   RecyclerViewInterface recyclerViewInterface)

Adapter constructor to initialise the instance of NoteAdapter

Parameters:

noteData - List of notes

recyclerViewInterface - RecyclerViewInterface Interface to register click event

Method Detail

onCreateViewHolder

@NonNull
public NoteAdapter.ViewHolder onCreateViewHolder(@NonNull
                                                 android.view.ViewGroup parent,
                                                 int viewType)

Creates new view

Specified by:

onCreateViewHolder in class androidx.recyclerview.widget.RecyclerView.Adapter<NoteAdapter.ViewHolder>

Parameters:

parent - ViewGroup

viewType - int viewType

Returns:

ViewHolder new view

See Also:

Android Studio: Create dynamic lists with RecyclerView

onBindViewHolder

public void onBindViewHolder(@NonNull
                             NoteAdapter.ViewHolder holder,
                             int position)

Sets the contents of a view

Specified by:

onBindViewHolder in class androidx.recyclerview.widget.RecyclerView.Adapter<NoteAdapter.ViewHolder>

Parameters:

holder - ViewHolder

position - the element position from the dataset

See Also:

Android Studio: Create dynamic lists with RecyclerView

getItemCount

public int getItemCount()

Gets size of the dataset

Specified by:

getItemCount in class androidx.recyclerview.widget.RecyclerView.Adapter<NoteAdapter.ViewHolder>

Returns:

int size of dataset

See Also:

Android Studio: Create dynamic lists with RecyclerView